{"domain":"climate.gov","result":true,"measuredAt":"2026-11-15T15:52:24.899Z","receiptId":"LxwUeQPNqQ","answer":{"kind":"host","input":"climate.gov","report":{"host":"climate.gov","checkedAt":"2026-11-15T15:52:24.877Z","a":{"status":"found","values":["137.75.88.7","137.75.88.52"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.climate.gov","a":{"status":"found","values":["18.238.80.37","18.238.80.33","18.238.80.99","18.238.80.67"],"ttl":60,"via":"Cloudflare","cname":["d20wafhwsciww2.cloudfront.net"]},"aaaa":{"status":"found","values":["2600:9000:201d:5c00:1f:c18c:c080:93a1","2600:9000:201d:800:1f:c18c:c080:93a1","2600:9000:201d:ca00:1f:c18c:c080:93a1","2600:9000:201d:4c00:1f:c18c:c080:93a1","2600:9000:201d:5200:1f:c18c:c080:93a1","2600:9000:201d:9000:1f:c18c:c080:93a1","2600:9000:201d:6000:1f:c18c:c080:93a1","2600:9000:201d:f400:1f:c18c:c080:93a1"],"ttl":60,"via":"Cloudflare","cname":["d20wafhwsciww2.cloudfront.net"]},"verdict":"dual-stack"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"climate.gov has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.climate.gov has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:201d:5c00:1f:c18c:c080:93a1","result":"answers","port":443},{"address":"2600:9000:201d:800:1f:c18c:c080:93a1","result":"answers","port":443},{"address":"2600:9000:201d:ca00:1f:c18c:c080:93a1","result":"answers","port":443},{"address":"2600:9000:201d:4c00:1f:c18c:c080:93a1","result":"answers","port":443},{"address":"2600:9000:201d:5200:1f:c18c:c080:93a1","result":"not tested"},{"address":"2600:9000:201d:9000:1f:c18c:c080:93a1","result":"not tested"},{"address":"2600:9000:201d:6000:1f:c18c:c080:93a1","result":"not tested"},{"address":"2600:9000:201d:f400:1f:c18c:c080:93a1","result":"not tested"}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"No MX records, so mail goes to the domain's own address (implicit MX). It has no AAAA record."},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"3 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns-01.noaa.gov","ipv6":true},{"host":"ns-02.noaa.gov","ipv6":true},{"host":"ns-03.noaa.gov","ipv6":true}]}]}},"states":[{"firstSeen":"2026-11-04T18:01:40.307Z","lastConfirmed":"2026-11-15T15:52:24.899Z","checks":2,"verdict":"ipv4-only","grade":"D","web":"fail","www":"pass","mail":"fail","dns":"pass","secondLook":null}]}